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Java Source Code / Java Documentation » RSS RDF » sesame » org.openrdf.query 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


org.openrdf.query.Query

All known Subclasses:   org.openrdf.repository.dataset.DatasetQuery,  org.openrdf.query.impl.AbstractQuery,
Query
public interface Query (Code)
A query on a Repository that can be formulated in one of the supported query languages (for example SeRQL or SPARQL). It allows one to predefine bindings in the query to be able to reuse the same query with different bindings.
author:
   Arjohn Kampman
author:
   jeen
See Also:   org.openrdf.repository.RepositoryConnection




Method Summary
public  BindingSetgetBindings()
     Retrieves the bindings that have been set on this query.
public  DatasetgetDataset()
     Gets the dataset that has been set using Query.setDataset(Dataset) , if any.
public  booleangetIncludeInferred()
     Returns whether or not this query will return inferred statements (if any are present in the repository).
public  voidremoveBinding(String name)
     Removes a previously set binding on the supplied variable.
public  voidsetBinding(String name, Value value)
     Binds the specified variable to the supplied value.
public  voidsetDataset(Dataset dataset)
     Specifies the dataset against which to evaluate a query, overriding any dataset that is specified in the query itself.
public  voidsetIncludeInferred(boolean includeInferred)
     Determine whether evaluation results of this query should include inferred statements (if any inferred statements are present in the repository).



Method Detail
getBindings
public BindingSet getBindings()(Code)
Retrieves the bindings that have been set on this query. A (possibly empty) set of query variable bindings.
See Also:   Query.setBinding(String,Value)



getDataset
public Dataset getDataset()(Code)
Gets the dataset that has been set using Query.setDataset(Dataset) , if any.



getIncludeInferred
public boolean getIncludeInferred()(Code)
Returns whether or not this query will return inferred statements (if any are present in the repository). true if inferred statements will be returned,false otherwise.



removeBinding
public void removeBinding(String name)(Code)
Removes a previously set binding on the supplied variable. Calling this method with an unbound variable name has no effect.
Parameters:
  name - The name of the variable from which the binding is to be removed.



setBinding
public void setBinding(String name, Value value)(Code)
Binds the specified variable to the supplied value. Any value that was previously bound to the specified value will be overwritten.
Parameters:
  name - The name of the variable that should be bound.
Parameters:
  value - The (new) value for the specified variable.



setDataset
public void setDataset(Dataset dataset)(Code)
Specifies the dataset against which to evaluate a query, overriding any dataset that is specified in the query itself.



setIncludeInferred
public void setIncludeInferred(boolean includeInferred)(Code)
Determine whether evaluation results of this query should include inferred statements (if any inferred statements are present in the repository). The default setting is 'true'.
Parameters:
  includeInferred - indicates whether inferred statements should included in theresult.



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